Home / 1,011,205,008.20-1,514,540,030.70-829,806,480.20

Finding the Fourth Proportional to 1,011,205,008.20, 1,514,540,030.70 and 829,806,480.20

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Solution

The fourth proportional to 1,011,205,008.20, 1,514,540,030.70 and 829,806,480.20 is: 1,242,848,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,205,008.20 : 1,514,540,030.70 = 829,806,480.20 : x
  2. Step 2: Convert to fraction form
    1,011,205,008.20/1,514,540,030.70 = 829,806,480.20/x
  3. Step 3: Cross multiply
    1,011,205,008.20x = 1,514,540,030.70 × 829,806,480.20
  4. Step 4: Simplify right side
    1,011,205,008.20x = 1,256,775,131,997,167,104
  5. Step 5: Solve for x
    x = 1,256,775,131,997,167,104/1,011,205,008.20
  6. Step 6: Final answer
    x = 1,242,848,998.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.